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Written by a senior industry expert with nearly 40 years of hands-on experience, Cathodoluminescence and Photoluminescence: Theories and Practical Applications presents a thorough review of advances, challenges, and recommendations for improving photoluminescent (PL) and cathodoluminescent (CL) phosphor display devices in terms of energy efficiency, image quality, color fidelity, operational lifetime, and production cost.

This book traces the development of cathode ray tubes (CRTs), PL and CL phosphor screens, and fluorescent lamps (FL) into modern phosphor display devices. The author relates luminescence phenomena and color to chemical composition, excitation mechanisms, energy conversion efficiencies, and bulk properties of phosphor particles. He also addresses image quality issues such as flickering, smearing, whitening, and contrast. Subsequent chapters focus on powder deposition techniques and the production of phosphor powders themselves. The text describes the necessary raw materials, flux materials, and growth conditions for producing ZnS powders. It provides a quantitative analysis on optimal processes and parameters for ensuring higher quality color and screen resolution.

Offering a detailed guide for next-generation scientists and engineers in the field, Cathodoluminescence and Photoluminescence describes current technologies and promising developments for producing higher quality, energy-efficient, and long-lasting phosphor CR and flat CL screen displays. less

IMPROVED LUMINANCE FROM THE PHOSPHOR SCREEN IN DISPLAY DEVICES Improvements in the Screen Luminance of Color CRTs Correlation between Screen Luminance and Spot Luminance Image Luminance on Screens Perceived by the Human Eye Lifetime of CL Phosphor Screens in CRTs Flat CL Displays

IMPROVING THE IMAGE QUALITY OF PHOSPHOR SCREENS IN CL DISPLAYS Threshold Resolution Power of the Human Eye Survey of the Origin of Flickers Powdered Screens Rather than Thin-Film Screens Electric Properties of Bulk of CL Phosphor Particles in Screens Optical Properties of Bulk Phosphor Particles

THE PRODUCTION OF PHOSPHOR POWDERS Required Purity of Raw Materials for Phosphor Production Source of Oxygen Contamination Eradication of Oxygen from Heating Mixture Identification of Flux Material for Growth of ZnS Particles Growth of ZnS Particles in a Crucible Heating Program of Furnace for ZnS Phosphor Production Removal of By-Products from Produced ZnS Phosphor Powders Production of Practical ZnS Phosphor Powders Production of Y2O2S Phosphor Powders

THE DESIGN OF SCREENABLE PHOSPHOR POWDERS FOR CATHODOLUMINESCENT DEVICES